Fig. 3

Sankey diagrams illustrating changes in migraine class from baseline to months 3 and 6: (A) Galcanezumab group; (B) OMPM group
Abbreviation: CM: chronic migraine; HFEM: high-frequency episodic migraine; LFEM: low-frequency episodic migraine; OMPM: oral migraine preventive medication; VLFEM: very low-frequency episodic migraine